NDLI: Correlation reduction precoding for joint decoding in overloaded MIMO-OFDM system on Rician channel

Content Provider	IEEE Xplore Digital Library
Author	Yabe, Tatsuro Sanada, Yukitoshi
Copyright Year	2014
Description	Author affiliation: Dept. of Electronics and Electrical Engineering, Keio University, Yokohama, Japan (Yabe, Tatsuro; Sanada, Yukitoshi)
Abstract	This paper presents a correlation reduction precoding scheme for joint decoding in an overloaded multiple input multiple output (MIMO)- orthogonal frequency division multiplexing (OFDM) system. In the overloaded MIMO system, the number of receive antenna elements is less than that of transmit antenna elements. Through joint maximum likelihood (ML) decoding a frequency diversity suppresses the BER degradation owing to the spatial multiplexing of signal streams. On a Rician channel, the correlation among the coded symbols deteriorates the performance of the joint ML decoding. Thus, this paper proposes the precoding scheme that reduces the correlation on the Rician channel. Numerical results obtained through computer simulation show that the proposed scheme improves the BER by a factor of 1/10 on the Rician channel with the Rician factor of 10.
Starting Page	023
Ending Page	028
File Size	664127
Page Count	6
File Format	PDF
ISBN	9781479961207
DOI	10.1109/ISPACS.2014.7024418
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-01
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Joints Maximum likelihood decoding Correlation Rician channels OFDM Receiving antennas
Content Type	Text
Resource Type	Article

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